115666153 has 2 divisors, whose sum is σ = 115666154. Its totient is φ = 115666152.

The previous prime is 115666141. The next prime is 115666169. The reversal of 115666153 is 351666511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114233344 + 1432809 = 10688^2 + 1197^2 .

It is a cyclic number.

It is not a de Polignac number, because 115666153 - 2⁵ = 115666121 is a prime.

It is not a weakly prime, because it can be changed into another prime (115666753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57833076 + 57833077.

It is an arithmetic number, because the mean of its divisors is an integer number (57833077).

Almost surely, 2^115666153 is an apocalyptic number.

It is an amenable number.

115666153 is a deficient number, since it is larger than the sum of its proper divisors (1).

115666153 is an equidigital number, since it uses as much as digits as its factorization.

115666153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 34.

The square root of 115666153 is about 10754.8199891955. The cubic root of 115666153 is about 487.2315811853.

The spelling of 115666153 in words is "one hundred fifteen million, six hundred sixty-six thousand, one hundred fifty-three".